Impelling device for fluid-circulating systems.



G. W. KERN. IMPELLING DEVICE FOB. FLUID GIRGULATING SYSTEMS. APPLICATION FILED PEB.12,'1913.

a `BY` GEORGE wKEB GEORGE W. KERN, 0F OIL CITY, PENNSYLVANIA.

IMPELLING DEVICE FOR FLUID-CIRCULATING SYSTEMS.

Specification of Letters Patent.

Patented Dec. 30,1913.

Application led `February 12, 1913. Serial No. 747,980.

malte and use the same.

My device is applicable to various uses, but in order to clearly illustrate one use to which'it is well adapted, I have shown in the drawings, which form a part hereof, h ow it may be applied. to automobile service, for the purpose of accelerating the circulation of the coolingwater ,between the Waterjackets of the .motive-cylinders and the radiator in which the water is cooled aftert has passed through said jackets.

In said drawings: Figure 1 is a side elevation partly in longitudinal section of my improved impelling-device; Figi 2 is a side elevation of a portion of an automobilemotor and a radiator, showing my impelling-device interposed in one of the circulating-pipes.

In vmany of the automobiles, the circula- A tion of the cooling-water through the cylinder-jackets and the radiator is dependent upon the difference in specific gravity of water at different temperatures, but this method has been found lnadequate to effect the proper cooling of the cylinders. In some cases, however mechanical a pliances are employed for the pur ose of orcing or accelerating the circulatlon, but, so far as applicant; is aware, all of such appliances are, to a certain extent, cumbersome, and are so constructed that, in case of such an accident to their driving-mechanism as would render them inoperative, their presence within the system eatly impedes the cir` culation of the coollng-uid, or wholly prevents the same.

The ,object of this invention, therefore, is, to provide an impelling-device which may be readily introduced in a circulating-system for the cooling-fluid of various forms of motors, to accelerate the movement or ow of said coollng-tluld, and which, 1n case ylts driving-mechanism should become inoperative for any reason, will not materially 0bstruct the natural circulation of said fluid.

The construction shownin the drawings is substantially as follows:

Referring to Fig. 1, the wall of any suitable form of pipe or conduit 1 has an opening 2 formed in the wall thereof for the insertion of a revoluble iuid-impelling device which is composed of a central plate or hub 3 provided with several radiating vanes 4, symmetrically placed, and twisted so as to form part of the same helical surface, or approximately so shaped. It will thus be seen that said luid-impeller is a propellershaped device closely resembling the familiar formof screw-propeller. Said impelling device is rigidly secured to a suitable shaft 5, which extends through a bearing 6 and is provided upon its outer end with any suitable means which is operable to revolve said shaft and impeller, a pulley 7 being shown for this purpose, though other means, as a small electric motor could be used. As shown in the drawings, the bearing 6 has, formed integrally therewith, a saddle 8, the inner, concave face of which, conforms to the periphery of the conduit 1 to which it is attached by means of clamps 9. The outer end of bearing 6 is provided with a suitable stuffing-box 10 to prevent leakage of iuid around the shaft. As' is clearly shown in said Fig. 1, shaft 5 passes obliquely through the wall of said conduit, 1 and because of this position, the plane of rotation of the impeller is positioned obliquely to the axis of Said conduit, hence it is not necessary to rovide an irregularly-shaped conduit in or er to permit the insertion ofy my impelling device therein.

One method of applying my impelling device is shown in Fig. 2 which method is substantially conduit 1 1s securedl to the nipple 11 or Water-inlet to the water-jacket of the motor cylinders, by means of a flexible connection 12, and the other end of said conduit -is connected to the water-outlet 13 of the radiator l 14 by means of a flexible connection 15. A pulley 16 is secured to the shaft of the fan 17 and a belt 18 transmits motion therefrom to pulley 7, shaft 5 and the thereto-attached impelling device, and said motion of the im` peller causes an acceleration in the flow of iiuid through conduit 1 and consequentl through the whole circulating system 1n which it is located.

as follows :-One end oft the said conduit, a shaft for said impelling-device, extending through the wall of said conduit, and means upon the outer end of said shaft, operable to revolve said impelling-device.

2. The combination with a fluid-conduit, of a revoluble, fluid-impelling device, positioned within said conduit, with its plane of rotation arranged obliquely to the axis of said conduit, a shaft to which said impelling-device is affixed, extending obliquely through the wall of said conduit, a suitable bearing for said shaft, and means upon the outer end of said shaft operable to revolve said impelling-device.

3. The combination with a circulation pipe for the coolin -uid of an internal-oombustion motor, o a revoluble impelling means positioned within said pipe consisting of appropeller-shaped device having its plane of rotation disposed vobliquely to the axis of said pipe, a shaft to which said impelling device is secured, said shaft extending obliquely through the wall ofsaid pipe, a earing for said shaft, ,and means operable to revolve said shaft and the theretoattached impelling device.

4. The combination with a circulationpipe for the cooling-'fluid for the motivecylinder of an internal-combustion motor, of

a separable section of pipe adapted to be inter osed in said circulation-pipe, a revoluble Huid-impelling means positioned within said separable section consisting of a propeller-shaped device having its plane of rotation disposed obliquelyl to the axis of said section, a shaft to which said impellingdevice is secured, said shaft extending obliquely throu h the wall ofsaid separable section, a suita le bearing for said shaft, means operable to rotate said shaft and the thereto-attached impeller, and flexible means connecting said separable section in said circulation pipe.

In testimony whereof I aiiix my signature in presence of two witnesses.

GEORGE W. KERN.

Witnesses: l

J. D. TRAx, PEARL PROPER. 

